If you have an sd adapter (looks like an sd card but has a slot to put a micro sd card into it). Go ahead and try formating it on the computer at FAT32.
If that doesn't work. The card could be defective. Or it could be a card the NC is quirky about. My camera doesn't like Kingston cards, but is fine with PNY or Sandisk. Sometimes it's just that way.
Good luck, let us know if the computer format fixes it.
Mine does the same thing with a 32GB #4 MicroSD card from SanDisk. I don't have a computer with XP on it however (I just have Windows 7). Has anyone found a way to get it formatted through Windows 7?
I just tackled the same issue. Formatted multiple time with windows then with SD Formatter with same results. After trial and error I found the fix.
A. Boot device without the SD card
B. After boot, put the SD card in the Nook
C. Goto Settings, Device Info
D. Unmount SD card
E. Format SD card
After that it works fine. Hope this helps everyone.
Have a Kingston 32gb class 10. After experiencing problems outlined in previous posts tried your directions and they worked!!!
Fish- I followed the steps you listed but there is no option for format sd. It only says erase sd card. Im trying to convert my nook back to 1.40 using a zip file and I was told I need to format a sd card before I can do this. Any other ideas?
Directions worked perfectly and within seconds my 8GB AFN card was refornatted to 8GB for Nook. AFN just didn't work for me. Used up memory WAY too fast and liked NOOK apps better. THANK YOU THANK YOU.
I had this same issue with a 32GB PNY card in my Nook Simple Touch Glowlight (running 1.1.5). The Nook simply could not recognize/format it... regardless of whether I booted up with the card inserted or put the card in after powering up.
I took the card to my local B&N and had them try it in another Nook. Same result.
So, I went back to Best Buy and exchanged the card for a new one (same model). Same result.
While at Best Buy, I picked up an SD-to-USB interface for $11 so that I could attempt to format it on my PC (running Windows XP). I downloaded the SD Formatter app that someone suggested in this thread and formatted the card. Same result.
My last hope was to use the Windows OS to format the card. I selected FAT32 and formatted the card. Result... SUCCESS!
So, for me, the solution was to format the card with the Windows OS in FAT32 format.
I am having simliar issues with my sd card. I have to format everytime I add a new book on there. It says error dialog sorry can not open book. But if I format the sd card and put it back on again it works. I have a 32g card. What is the problem with this? Can any body help me. I shouldn't have to format every time a put a new book on here.